200820843 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種軟性電路板，特別传關 饤刎保關於用於電路 連接之軟性電路板。 【先前技術】 當前許多電氣設備’如液晶顯示器，需使用軟性電路 板將不同部份之電路連接起來，一種先前技術之軟性電路 板如圖1所示’該軟性電路板10係於一包括複數條金屬導 線（圖未示）之金屬佈線層15上覆蓋一絕緣層16而製成， 其包括聯成一體之一本體n、一第一連接端12及一第二 連接端13。該第一連接端12及第二連接端13分別位於: 本體11之相鄰兩端。該第一連接端12和第二連接端U 由該複數金屬導線相連，且電氣設備（圖未示）之端子分別 與該軟性電路板10之該第一連接端12與第二連接端U 接觸’從而實現該電氣設備之間的電導通。 因應與該第一連接端12及第二連接端13連接之電氣 設備的不同，該第一連接端12與該第二連接端13之設計 同。如當與該第一連接端12連接之電氣設備的端子較 寬該第一連接端12寬度亦需設計為較寬，使該第一連 接端12寬度跟與其連接之電氣設備的端子的寬度對應。又 與該第二連接端13連接之電氣設備的端子較窄時，該 $二連接端13寬度亦需設計為較窄，使該第二連接端13 寬度跟與其連接之電氣設備的端子的寬度對應。 准’已預定連接某二電氣設備而設計好的軟性電路板 6 200820843 =之第-連接端12及該第二連接端13之寬度或佈線密度 等一般亦已確定。因此，與該第一連接端12或該第二連ς 端13連#之該二電氣設備的規格或該二電氣設備的端口 依客戶的需求等稍有變動時，該設計好的軟性電路板忉 ，、第連接编12及該第一連接端13就無法對應需連接之 電氣設備端口，即無法再利用該設計好的軟性電路板1〇, 須重新設計其他軟性電路板1()，因此提高製造成本及延長 設計時間。 【發明内容】 ’有鑑於上述内容，提供一種可對應不同電氣設備端口 且製造成本較低之軟性電路板實為必要。 種軟性電路板，其包括：一主軟性電路板，其包括 與電氣元件相結合之一第一連接端及至少一引腳；及一次 軟性電路板，其包括與電氣元件相結合之一第二連接端及 引腳，其中，該主軟性電路板及該次軟性電路板藉由該 二引腳結合，使該第一連接端與該第二連接端電連接。 相車父於先如技術，由於本發明軟性電路板係由主軟性 電路扳及次軟性電路板兩部份結合而成，因此當與該第二 連接端連接之電氣元件產生變化時，無需重新設計整個軟 性電路板而是僅更換該次軟性電路板即可，因此可節省材 料及設計時間，從而降低製造成本。 【實施方式】 請參閱圖2,係本發明軟性電路板第一實施方式之示 忍圖。軟性電路板（Flexible Printed Circuit，FPC)20 包括一 200820843 主軟性電路板210及一次軟性電路板220，該主軟性電路 板210與該次軟性電路板220電連接。 該主軟性電路板210為矩形雙層板，係於二面均佈有 電路之一金屬佈線層212二面分別覆蓋一絕緣層216而製 成。該主軟性電路板210包括具有預定線密度、寬度及長 度等規格之一第一連接端211、一第一引腳213、一第二引 腳215、一第三引腳217、複數金屬導線（未標示）。該第一 連接端211、第一引腳213、第二引腳215及第三引腳217 分別位於該矩形主軟性電路板210四邊緣部位。該第一引 腳213、第二引腳215及第三引腳217分別藉由該複數導 線與該第一連接端211相連，且該第一引腳213、第二引 腳215及第三引腳217之規格均相同。 該次軟性電路板220為單層板，係於一面佈有電路之 一金屬佈線層222之佈有電路的面上覆蓋一絕緣層226而 製成。該次軟性電路板220包括一第二連接端221、一第 四引腳223及複數金屬導線（未標示），該第二連接端221 與第四引腳223藉由該複數金屬導線連接。 請一併參閱圖3，係圖2所示軟性電路板20之該主軟 性電路板210與該次軟性電路板220連接對位俯視圖。該 次軟性電路板220之第四引腳223之線密度、寬度及長度 等規格均與該主軟性電路板210之第一引腳213、第二引 腳215及第三引腳217之規格相吻合。當該次軟性電路板 220需要對應該主軟性電路板210之該第一引腳213設置 時，將該次軟性電路板220之第四引腳223與該主軟性電 200820843 路板210之第一引腳213對位，並將第四引腳223與第一 引腳213由焊接方式或黏接方式結合在一起，使該次軟性 電路板220與該主軟性電路板210連接電導通。 依與該軟性電路板20連接之電氣元件等的連接方向 的不同，該次軟性電路板220之第四引腳223還可連接於 該主軟性電路板210之第二引腳215或第三引腳217。 該次軟性電路板220之第二連接端221需與其連接之 電氣元件的連接端子對應設計。即該次軟性電路板220之 第二連接端221需要連接具有不同規格的端口之電氣元件 時，僅將該次軟性電路板220重新設計，使該第二連接端 221之規格與該電氣元件之端口相吻合，而該第四引腳223 規格不變。 相較於先前技術，由於本發明軟性電路板20係由主軟 性電路板210及次軟性電路板220兩部份結合而成，因此 與該第二連接端221連接之電氣元件需要變更時，無需重 新設計整個軟性電路板20而是僅重新設計該次軟性電路 板220即可或將預先設計好的庫存之多樣化次軟性電路板 220取出更換亦可，因此可節省材料及設計時間，從而降 低製造成本。 請參閱圖4,係本發明軟性電路板第二實施方式之示 意圖。軟性電路板30包括一主軟性電路板310及次軟性電 路板320，該主軟性電路板310與該次軟性電路板320電 連接。 該主軟性電路板310為雙層板。該主軟性電路板310 9 200820843 包括具有預定線密度、寬度及長度等規格之一第一連接端 311、一第一引腳313、一第一子引腳315、一第二子引腳 317及複數金屬導線（未標示）。該第一連接端311位於該主 軟性電路板310 —邊緣部位，該第一引腳313位於該主軟 性電路板310之與該第一連接端311相對之一邊緣，該第 一子引腳315和該第二子引腳317位於該第一連接端311 與該第一引腳313之間。該第一引腳313、第一子引腳315 及第二子引腳317分別藉由該複數導線與該第一連接端 311相連。 該次軟性電路板320為單層板。該次軟性電路板320 為“T”形板，其包括一第二連接端321、一第四引腳323 及複數金屬導線（未標示）。該第四引腳323設置於該“T” 形次軟性電路板320之較寬的邊緣部位，該第二連接端321 設置於該次軟性電路板320之與該第四引腳323相對之較 窄的邊緣部位，且該第二連接端321與第四引腳323藉由 該複數金屬導線連接。 請一併參閱圖5，係圖4所示該主軟性電路板310與 該次軟性電路板320連接示意圖。該次軟性電路板320之 第四引腳323之線密度、寬度及長度等規格與該主軟性電 路板310之第一引腳313之相吻合。當該次軟性電路板320 需要對應該主軟性電路板310之該第一引腳313設置時， 將該次軟性電路板320之第四引腳323與該主軟性電路板 310之第一引腳313對位，並將第四引腳323與第一引腳 313由焊接方式或黏接方式結合在一起，使該次軟性電路 200820843 板320與該主軟性電路板31〇連接電導通。 該第一子引腳315或該第二子引腳317還可與其他元 件連接，如該第二子引腳317連接一其他軟性電路板33〇。 該次軟性電路板320之第二連接端321需與其連接之 電氣元件的連接端子對應設計。即該次軟性電路板32〇之 弟一連接^ 321需要連接具有不同規格的端口之電氣元件 時，僅將該次軟性電路板320重新設計，使該第二連接端 321之規格與該電氣元件之端口相吻合，而該第四引腳323 規格不變。 惟’本發明次軟性電路板並不限於上述實施方式所 述如圖6所示，於第一實施方式中依與該軟性電路板連 接之電氣元件等的連接方向的不同，該次軟性電路板3加 可设计為該第二連接端321位於左側之“ 2；”形板。 如圖7所示，於第二實施方式中依與該軟性電路板連 接之電氣元件等的連接方向的不同，該次軟性電路板32〇 可a又计為該第二連接端321位於右側之“ z”形板。 還如圖8所示，於第二實施方式中依與該軟性電路板 連接之電氣元件的連接關係的不同，該次軟性電路板32〇 可设計為具有一第三子引腳325之“z”形板，該第三子 引腳325與該主軟性電路板31〇之第一子引腳315電結合。 還如圖9所示，於第二實施方式中依與該軟性電路板 連接之電氣元件的連接關係的不同，該次軟性電路板32〇 可設計為具有一第四子引腳327之“z”形板，該第四子 引腳327與該主軟性電路板31〇之第二子引腳317電結合。 11 200820843 .另’本發明主軟性電路板並不限於上述實施方式所 述。如圖ίο及圖u所示，於第二實施方式中該主軟性電 路板310依需求可設計為其他形狀及大小等。圖1〇所示中 不僅改變了主軟性電路板31〇的大小，且該第一引腳313 設置於該主軟性電路板31〇之中間部位。圖中改變了主 軟性電路板310形狀。 综上所述，本發明確已符合發明專利之要件，爰依法 提出專射請。惟，以上所述者僅為本發明之較佳實施方 式，本發明之範圍並不以上述實施例為限，舉凡熟習本案 技藝之人士援依本發明之精神所作之等效修飾或變化，皆 應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 圖1係一種先前技術之軟性電路板的結構示意圖。 圖2係本發明軟性電路板第一實施方式之示意圖。 圖3係圖2所示軟性電路板之主軟性電路板與次軟性電路 板連接對位俯視圖。 圖4係本發明軟性電路板第二實施方式之示意圖。 圖5係圖4所示㈣電路板之主軟性電路板與次軟 板連接示意圖。 電路板的不同 圖6至圖9係圖4所示軟性電路板之次軟性 實施方式示意圖。 圖 10及圖11係圖4所示軟性 同實施方式示意圖。 電路板之主軟性電 路板的不 【主要元件符號說明】 12 200820843 軟性電路板 20、30 絕緣層 216 、 226 主成性電路板 210、310 第三引腳 217 第一連接端 211 、 311 次軟性電路板 220 > 320 金屬佈線層 212、222 弟^—連接端 221 、 321 第一引腳 213、313 第四引腳 223 、 323 第二引腳 215 第一子引腳 315 第二子引腳 317 第三子引腳 325 第四子引腳 327 其它軟性電路板 330 13200820843 IX. Description of the Invention: [Technical Field] The present invention relates to a flexible circuit board, and particularly relates to a flexible circuit board for circuit connection. [Prior Art] Currently, many electrical devices, such as liquid crystal displays, need to use flexible circuit boards to connect different parts of the circuit. A prior art flexible circuit board is shown in FIG. 1 'The flexible circuit board 10 is included in a plurality The metal wiring layer 15 of the metal wire (not shown) is covered with an insulating layer 16, and includes a body n, a first connecting end 12 and a second connecting end 13. The first connecting end 12 and the second connecting end 13 are respectively located at: adjacent ends of the body 11. The first connecting end 12 and the second connecting end U are connected by the plurality of metal wires, and the terminals of the electrical device (not shown) are in contact with the first connecting end 12 and the second connecting end U of the flexible circuit board 10 respectively. ' Thereby achieving electrical conduction between the electrical devices. The first connection end 12 and the second connection end 13 are designed differently in accordance with the electrical equipment connected to the first connection end 12 and the second connection end 13. For example, when the terminal of the electrical device connected to the first connecting end 12 is wider, the width of the first connecting end 12 is also designed to be wider, so that the width of the first connecting end 12 corresponds to the width of the terminal of the electrical device connected thereto. . When the terminal of the electrical device connected to the second connecting end 13 is narrower, the width of the two connecting ends 13 is also designed to be narrower, so that the width of the second connecting end 13 is the width of the terminal of the electrical device connected thereto. correspond. A flexible circuit board that has been designed to be connected to a second electrical device 6 200820843 = the width or wiring density of the first connection terminal 12 and the second connection terminal 13 are generally determined. Therefore, the designed flexible circuit board is slightly changed when the specifications of the two electrical devices connected to the first connection end 12 or the second connection end 13 or the ports of the two electrical devices are slightly changed according to the requirements of the customer.忉, the first connector 12 and the first connector 13 cannot correspond to the electrical device port to be connected, that is, the designed flexible circuit board 1 无法 cannot be reused, and the other flexible circuit board 1 () must be redesigned. Increase manufacturing costs and extend design time. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a flexible circuit board that can correspond to different electrical device ports and has a low manufacturing cost. A flexible circuit board comprising: a main flexible circuit board including a first connection end and at least one pin combined with an electrical component; and a primary flexible circuit board including a second component in combination with the electrical component The connection end and the pin, wherein the main flexible circuit board and the sub-flexible circuit board are combined by the two pins to electrically connect the first connection end and the second connection end. According to the technology, since the flexible circuit board of the present invention is composed of a main flexible circuit board and a sub-soft circuit board, when the electrical components connected to the second connection end change, there is no need to re By designing the entire flexible circuit board, it is only necessary to replace the flexible circuit board, thereby saving material and design time, thereby reducing manufacturing costs. [Embodiment] Please refer to Fig. 2, which is a diagram of a first embodiment of a flexible circuit board of the present invention. The Flexible Printed Circuit (FPC) 20 includes a 200820843 main flexible circuit board 210 and a primary flexible circuit board 220. The main flexible circuit board 210 is electrically connected to the secondary flexible circuit board 220. The main flexible circuit board 210 is a rectangular double-layer board which is formed by covering one insulating layer 216 on both sides of a metal wiring layer 212 on both sides of a circuit. The main flexible circuit board 210 includes a first connection end 211 having a predetermined line density, width and length, a first pin 213, a second pin 215, a third pin 217, and a plurality of metal wires ( Not marked). The first connection end 211, the first pin 213, the second pin 215 and the third pin 217 are respectively located at four edge portions of the rectangular main flexible circuit board 210. The first pin 213, the second pin 215 and the third pin 217 are respectively connected to the first connection end 211 by the plurality of wires, and the first pin 213, the second pin 215 and the third lead The specifications of the foot 217 are the same. The flexible circuit board 220 is a single-layer board which is formed by covering an insulating layer 226 on a circuit-coated surface of a metal wiring layer 222 on one side of the circuit. The flexible circuit board 220 includes a second connecting end 221, a fourth pin 223 and a plurality of metal wires (not shown). The second connecting end 221 and the fourth pin 223 are connected by the plurality of metal wires. Referring to FIG. 3 together, the main flexible circuit board 210 of the flexible circuit board 20 shown in FIG. 2 and the sub-flexible circuit board 220 are connected in a parallel plan view. The specifications of the linear density, the width and the length of the fourth pin 223 of the flexible circuit board 220 are the same as those of the first pin 213, the second pin 215 and the third pin 217 of the main flexible circuit board 210. Match. When the flexible circuit board 220 needs to be disposed corresponding to the first pin 213 of the main flexible circuit board 210, the fourth pin 223 of the secondary flexible circuit board 220 and the first soft power 200820843 the first 210 of the circuit board 210 The pin 213 is aligned, and the fourth pin 223 and the first pin 213 are soldered or bonded together, so that the secondary flexible circuit board 220 is electrically connected to the main flexible circuit board 210. The fourth pin 223 of the sub-flexible circuit board 220 may be connected to the second pin 215 or the third lead of the main flexible circuit board 210, depending on the connection direction of the electrical component or the like connected to the flexible circuit board 20. Foot 217. The second connection end 221 of the flexible circuit board 220 is designed corresponding to the connection terminal of the electrical component to which it is connected. That is, when the second connection end 221 of the flexible circuit board 220 needs to connect electrical components having ports of different specifications, only the secondary flexible circuit board 220 is redesigned, and the specifications of the second connection end 221 and the electrical components are The port matches, and the fourth pin 223 has the same specifications. Compared with the prior art, since the flexible circuit board 20 of the present invention is formed by combining the main flexible circuit board 210 and the secondary flexible circuit board 220, when the electrical components connected to the second connection end 221 need to be changed, it is not necessary. Redesigning the entire flexible circuit board 20 can only redesign the flexible circuit board 220 or remove and replace the pre-designed inventory of the flexible sub-circuit board 220, thereby saving material and design time, thereby reducing manufacturing cost. Referring to Figure 4, there is shown a second embodiment of a flexible circuit board of the present invention. The flexible circuit board 30 includes a main flexible circuit board 310 and a sub-soft circuit board 320. The main flexible circuit board 310 is electrically connected to the sub-flexible circuit board 320. The main flexible circuit board 310 is a two-layer board. The main flexible circuit board 310 9 200820843 includes a first connection end 311 having a predetermined line density, width and length, a first pin 313, a first sub-pin 315, a second sub-pin 317, and Multiple metal wires (not shown). The first connecting end 311 is located at an edge of the main flexible circuit board 310. The first pin 313 is located at an edge of the main flexible circuit board 310 opposite to the first connecting end 311. The first sub-pin 315 And the second sub-pin 317 is located between the first connection end 311 and the first pin 313. The first pin 313, the first sub-pin 315 and the second sub-pin 317 are connected to the first connection end 311 by the plurality of wires, respectively. The flexible circuit board 320 is a single layer board. The flexible circuit board 320 is a "T" shaped board, and includes a second connecting end 321, a fourth lead 323 and a plurality of metal wires (not labeled). The fourth pin 323 is disposed on a wider edge portion of the "T"-shaped sub-flexible circuit board 320. The second connection terminal 321 is disposed on the sub-flexible circuit board 320 opposite to the fourth pin 323. a narrow edge portion, and the second connection end 321 and the fourth pin 323 are connected by the plurality of metal wires. Referring to FIG. 5 together, FIG. 4 is a schematic diagram showing the connection between the main flexible circuit board 310 and the sub-flexible circuit board 320. The linear density, width and length of the fourth pin 323 of the flexible circuit board 320 are matched with the first pin 313 of the main flexible circuit board 310. When the flexible circuit board 320 needs to be disposed corresponding to the first pin 313 of the main flexible circuit board 310, the fourth pin 323 of the flexible circuit board 320 and the first pin of the main flexible circuit board 310 The 313 is aligned, and the fourth pin 323 and the first pin 313 are combined by soldering or bonding, so that the sub-soft circuit 200820843 board 320 is electrically connected to the main flexible circuit board 31. The first sub-pin 315 or the second sub-pin 317 can also be connected to other components, such as the second sub-pin 317 being connected to a further flexible circuit board 33A. The second connection end 321 of the flexible circuit board 320 is designed corresponding to the connection terminal of the electrical component to which it is connected. That is, when the flexible circuit board 32 is connected to the electrical component of the port having different specifications, only the secondary flexible circuit board 320 is redesigned to make the specification of the second connection end 321 and the electrical component. The ports match, and the fourth pin 323 has the same specifications. However, the sub-flexible circuit board of the present invention is not limited to the above-described embodiment as shown in FIG. 6. In the first embodiment, the sub-flexible circuit board is different depending on the connection direction of the electrical component or the like connected to the flexible circuit board. 3 can be designed as the "2;" shaped plate on which the second connecting end 321 is located on the left side. As shown in FIG. 7, in the second embodiment, depending on the connection direction of the electrical components and the like connected to the flexible circuit board, the sub-flexible circuit board 32 can be counted as the second connection end 321 on the right side. "z" shaped board. As shown in FIG. 8, in the second embodiment, the sub-flexible circuit board 32 can be designed to have a third sub-pin 325 according to the connection relationship of the electrical components connected to the flexible circuit board. The z-shaped board is electrically coupled to the first sub-pin 315 of the main flexible circuit board 31. As shown in FIG. 9, in the second embodiment, the sub-flexible circuit board 32 can be designed to have a fourth sub-pin 327 according to the connection relationship of the electrical components connected to the flexible circuit board. The fourth sub-pin 327 is electrically coupled to the second sub-pin 317 of the main flexible circuit board 31. 11 200820843. The main flexible circuit board of the present invention is not limited to the above embodiment. As shown in FIG. 1 and FIG. 9, in the second embodiment, the main flexible circuit board 310 can be designed into other shapes and sizes as needed. In FIG. 1A, not only the size of the main flexible circuit board 31 is changed, but also the first pin 313 is disposed at an intermediate portion of the main flexible circuit board 31. The shape of the main flexible circuit board 310 is changed in the figure. In summary, the present invention has indeed met the requirements of the invention patent, and has proposed a special shot in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic structural view of a prior art flexible circuit board. 2 is a schematic view showing a first embodiment of a flexible circuit board of the present invention. Fig. 3 is a top plan view showing the connection between the main flexible circuit board and the sub-soft circuit board of the flexible circuit board shown in Fig. 2. 4 is a schematic view showing a second embodiment of the flexible circuit board of the present invention. FIG. 5 is a schematic diagram showing the connection between the main flexible circuit board and the secondary soft board of the (four) circuit board shown in FIG. 4. Different Circuit Boards Figures 6 through 9 are schematic views of a sub-soft implementation of the flexible circuit board shown in Figure 4. 10 and 11 are schematic views of the soft and same embodiment shown in FIG. The main flexible circuit board of the circuit board is not [main component symbol description] 12 200820843 flexible circuit board 20, 30 insulation layer 216, 226 main circuit board 210, 310 third pin 217 first connection end 211, 311 times soft Circuit board 220 > 320 metal wiring layer 212, 222 brother - terminal 221, 321 first pin 213, 313 fourth pin 223, 323 second pin 215 first sub-pin 315 second sub-pin 317 third sub-pin 325 fourth sub-pin 327 other flexible circuit board 330 13